Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 5/25/2025
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Distance(km) Time Diff (sec)
1 05/26/2025 06:20:00 -70.17, -98.79 131.08 05/26/2025 06:20:47 -70.17, -98.75 131.09 1.50 47
2 05/26/2025 07:10:44 70.03, 68.73 48.77 05/26/2025 07:10:15 70.02, 68.67 48.76 2.54 29
3 05/28/2025 21:46:28 70.94,-151.59 49.30 05/28/2025 21:47:35 70.86,-149.48 49.16 77.37 67
4 05/28/2025 22:36:56 -70.14, 17.02 131.55 05/28/2025 22:37:16 -70.14, 17.09 131.55 2.68 20
5 05/28/2025 23:27:40 70.00,-175.46 48.30 05/28/2025 23:26:44 69.99,-175.49 48.29 1.75 56
6 05/31/2025 14:03:11 70.18, -34.60 48.11 05/31/2025 14:04:16 70.21, -34.57 48.13 3.33 65
7 05/31/2025 14:53:52 -70.06, 132.90 132.02 05/31/2025 14:53:47 -70.04, 132.83 132.04 3.33 5
8 05/31/2025 15:44:30 69.60, -59.10 47.50 05/31/2025 15:43:19 69.66, -60.06 47.59 37.51 71
9 06/03/2025 06:20:08 70.16, 81.20 47.74 06/03/2025 06:20:46 70.14, 81.22 47.72 1.94 38
10 06/03/2025 07:10:49 -70.04,-111.30 132.39 06/03/2025 07:10:16 -70.04,-111.30 132.39 0.05 33
11 06/05/2025 21:46:31 -70.80, 28.63 131.89 06/05/2025 21:47:40 -70.66, 30.23 132.07 60.78 69
12 06/05/2025 22:37:04 70.09,-162.93 47.37 06/05/2025 22:37:15 70.11,-162.93 47.39 3.00 11
13 06/05/2025 23:27:46 -70.02, 4.49 132.71 06/05/2025 23:26:45 -70.01, 4.55 132.71 2.40 61
14 06/08/2025 14:03:15 -70.16, 145.41 132.81 06/08/2025 14:04:16 -70.18, 145.41 132.79 2.78 61
15 06/08/2025 14:54:00 70.07, -47.15 47.11 06/08/2025 14:53:43 70.07, -47.11 47.10 1.61 17
16 06/08/2025 15:44:32 -69.47, 121.06 133.52 06/08/2025 15:43:21 -69.53, 119.77 133.43 50.39 71

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/25/2025
SNOs_Map_NOAA-21_LANDSAT-8_20250527.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 05/25/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and LANDSAT-8